Receiving A Dialed Call From A V.25 Bis Data Unit; Figure 3-7: V.25 Bis Dialed Outgoing Call - PictureTel Concorde 4500 Servicing Manual

DTE
ready
Dialing
command
CRN + digits

Figure 3-7: V.25 bis Dialed Outgoing Call

Receiving a Dialed Call from a V.25 bis Data Unit

This section describes the sequence of events that occurs when the
far-end videoconferencing system initiates a dialed call and the near
end later disconnects the call.
1. The data unit sends an incoming call message (INC) to the
Concorde•4500.
2. The Concorde•4500 responds by sending the connect incoming call
(CIC) message to the data unit.
3. The data unit deasserts the CTS signal.
- DCE
DTE
dialog
V.25 bis Call Setup and Disconnect
Call
connected
T-link
sync
Data
transfer
DTE
dropping
call
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